Could anyone help me understand how to generate Perlin noise? I've been having a look at [URL="http://devmag.org.za/2009/04/25/perlin-noise/"]this[/URL] and I understand that you start with creating an array to constitute white noise, continue to create more arrays, i.e. octaves, by sampling and smoothing the previous array and then finally blend the lot together.
I just don't understand some of the algorithm in [URL="http://devmag.org.za/2009/04/25/perlin-noise/"]that[/URL] example and I don't want to just copy the code without understanding it.
Would anyone be willing to go over 2D Perlin noise and answer some qustions?
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